Fig. 4: The effect of contact time on catalytic performance.
From: Dual-engine-driven realizing high-yield synthesis of Para-Xylene directly from CO2-containing syngas

a The aromatic selectivity in total hydrocarbons. b The CO conversion and STY of p-X. Reaction conditions: 1.0%FeMn&[ZnCr&Z5@SiO2] catalyst in manner II, 375 °C, 5 MPa, H2:CO = 1, mZnCr: \({{{\rm{m}}}_{{{\rm{Z}}}5{{{\rm{@Si}}{{\rm{O}}_{2}}}}}}\) = 2:1.